Q.What
What is the best fertilizer for dipladenias?
Downtoearthdigs
Answered on June 5, 2019
Feed potted mandevillas with a ready-to-use, slow-release 18-6-12 fertilizer every three months while they're actively growing.
https://www.gardeningknowhow.com/ornamental/vines/mandevilla/growing-a-dipladenia.htm
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